John Selck <selck_j@informatik.hgv-hamburg.de> writes: > Same opcodes but faster clockspeed. Also, CBM switched from NMOS to HMOS. HMOS is just NMOS with smaller process geometry. The NMOS to HMOS transition was a bigger change than for instance going from 1 micron to 0.8 micron CMOS, but not nearly as big a change as switching from PMOS to NMOS, or from NMOS/HMOS to CMOS.